Sr. Security Engineer

CoStar Group

Hybrid Actively hiring
Arlington, VA · Richmond, VA Posted 11 days ago
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At a glance

AI generated

TL;DR

As a Senior Security Engineer at CoStar, you will join a dynamic team focused on enhancing the company's security posture across network infrastructure, cloud services, SaaS platforms, and AI systems. Your responsibilities include auditing and improving network designs, evaluating firewall changes, managing secure service edge platforms, and ensuring compliance with SaaS security standards. You will also assess risks associated with AI technologies, design security controls for AI-assisted workflows, and monitor AI-related telemetry to detect misuse patterns. The role requires expertise in AWS networking, NGFWs, WAFs, and scripting languages like Python or PowerShell. Familiarity with Azure DevOps, Terraform, SaaS security platforms, and identity-driven security models is essential. This position offers the opportunity to work on cutting-edge security challenges in a large enterprise environment.

Skills

AWS NGFW Python CASB SSE Terraform Azure DevOps CI/CD Subnetting Routing Network Isolation SSO OAuth API Tokens Service Principals AI Security Threat Modeling Risk Assessment Security Documentation High-Quality Technical Writing

What you'll do

  • Design and implement secure network changes for both on-premises and cloud environments.
  • Audit and improve existing network designs to enhance overall security posture.
  • Evaluate and manage firewall change requests across various environments.
  • Develop and enforce policies for Next Generation Firewalls (NGFW) and related infrastructure.
  • Operate and tune SaaS security tools to detect and prevent risky behavior and data exfiltration.
  • Define and enforce standards for logging, identity integration, and least-privilege access in SaaS platforms.
  • Monitor AI-related telemetry and logs to identify potential misuse or security breaches.

What we're looking for

  • 5+ years of experience in Information Security or Security Engineering.
  • Hands-on experience with AWS networking and Azure DevOps, Terraform.
  • Strong scripting skills in Python, PowerShell, or similar languages.
  • Deep understanding of subnetting, routing, network isolation principles.
  • Experience securing SaaS platforms using CASB/SSE tooling.
  • Assess security risks associated with AI systems and design controls.

Employer

About CoStar Group

CoStar Group is the leading provider of commercial real estate information, analytics, and online marketplaces, including CoStar, Apartments.com, and LoopNet platforms. Industry: Commercial Real Estate Data & Analytics

CoStar Group currently has 33 open roles on FindRole.

Listed pay typically runs $169,500–$212,000 across 12 roles with salary data.

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